The story revolves around Zainab, the daughter of the wealthy Lin family, who gives birth to twins. Shortly after, her husband, whom she married, dies. To prevent her niece Salma from seizing the inheritance, Salma secretly abandons the twins by the roadside and plots to make Zainab 'adopt' her own biological daughter. Later, an old man finds the twins and names them Maryam and Noura. After the old man's death, the children are forced to beg on the streets, searching for their real mother. Maryam and Noura, begging by the roadside, are taken by an evil man named Hu Cheng, who conspires with them to steal. Surprisingly, the theft is planned for their real mother's house. At this time, their real mother is unaware of the truth but finds them pitiful and takes them in.